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3.6 MW Hydro operating in Roanoke, VA — PJM Interconnection, LLC
3.6 MW
Nameplate Capacity
2
Generators
units
Conventional Hydroelectric
Technology
1954
Operating Since
Coordinates
37.2544, -79.8756
County
Roanoke, VA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Appalachian Power Co | Appalachian Power | — |
| Owner(s) | Appalachian Power Co | American Electric Power Company | — |
| Status | Operating | — | — |
The Niagara hydroelectric plant is located in Roanoke County, Virginia. It is owned by American Electric Power Company and operated by Appalachian Power Co. The plant has a total capacity of 3.6 MW consisting of two generators utilizing conventional hydroelectric technology. Niagara began operating in 1954 and uses water (WAT) as its primary fuel source.
In the most recent year with available data, Niagara generated 7,600 MWh of electricity, resulting in a capacity factor of 24.1%. The plant operates within the PJM Interconnection, LLC balancing authority and the RFC NERC region. Niagara is ranked as the 16th largest of 25 power plants in Virginia, and 1006th out of 1464 plants nationally. Financial data indicates an installed cost of $2,381.9 per kW, based on FERC filings.
Generated from EIA, GEM, and public data sources
ISO/RTO
PJM
Market
ISO/RTO Member
NERC Region
RFC
Balancing Authority
541 MWh
Latest Month
7.6K MWh
Annual Generation
24.1%
Capacity Factor
Hydroelectric · Appalachian Power Company · Data from 2018–2024
$43.6/MWh
Operating Cost
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Point of Interconnection
Nearest Substation
Vinton Substation · 138 kV
Substation Distance
0 km
Operator
Appalachian Power Company
Coord Source
OSM spatial
Market Position
ISO/RTO Market
PJM
LMP Node
NIAGARA22 KV NI1
Pricing Hub
DOMINION HUB
Location Type
Generation Node
Node Source
Curated node match
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Grid Voltage
12.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility